/**
 * jQuery Validation Plugin 1.8.1
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
 * http://docs.jquery.com/Plugins/Validation
 *
 * Copyright (c) 2006 - 2011 Jörn Zaefferer
 * 
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
define(["jquery"], function(jQuery){
    
    (function($) {
        
        /* Customs messages*/
        var customMessages = {
            errorDetected : "Usted tiene algun[os] error[es], por favor verifique el formulario. ",
            errors : "error[es]"
        }
        
        var errors;

        $.extend($.fn, {
            // http://docs.jquery.com/Plugins/Validation/validate
            validate: function( options ) {

                // if nothing is selected, return nothing; can't chain anyway
                if (!this.length) {
                    options && options.debug && window.console && console.warn( "nothing selected, can't validate, returning nothing" );
                    return;
                }

                // check if a validator for this form was already created
                var validator = $.data(this[0], 'validator');
                if ( validator ) {
                    return validator;
                }

                validator = new $.validator( options, this[0] );
                $.data(this[0], 'validator', validator);

                if ( validator.settings.onsubmit ) {

                    // allow suppresing validation by adding a cancel class to the submit button
                    this.find("input, button").filter(".cancel").click(function() {
                        validator.cancelSubmit = true;
                    });

                    // when a submitHandler is used, capture the submitting button
                    if (validator.settings.submitHandler) {
                        this.find("input, button").filter(":submit").click(function() {
                            validator.submitButton = this;
                        });
                    }

                    // validate the form on submit
                    this.submit( function( event ) {
                        if ( validator.settings.debug ){
                            // prevent form submit to be able to see console output
                            event.preventDefault();
                        }

                        function handle() {
                            if ( validator.settings.submitHandler ) {
                                if (validator.submitButton) {
                                    // insert a hidden input as a replacement for the missing submit button
                                    var hidden = $("<input type='hidden'/>").attr("name", validator.submitButton.name).val(validator.submitButton.value).appendTo(validator.currentForm);
                                }
                                validator.settings.submitHandler.call( validator, validator.currentForm );
                                if (validator.submitButton) {
                                    // and clean up afterwards; thanks to no-block-scope, hidden can be referenced
                                    hidden.remove();
                                }
                                return false;
                            }
                            return true;
                        }

                        // prevent submit for invalid forms or custom submit handlers
                        if ( validator.cancelSubmit ) {
                            validator.cancelSubmit = false;
                            return handle();
                        }
                        if ( validator.form() ) {
                            if ( validator.pendingRequest ) {
                                validator.formSubmitted = true;
                                return false;
                            }
                            return handle();
                        } else {
                            alert(customMessages["errorDetected"] + errors + " " + customMessages["errors"]);
                            validator.focusInvalid();
                            return false;
                        }
                    });
                }

                return validator;
            },
            // http://docs.jquery.com/Plugins/Validation/valid
            valid: function() {
                if ( $(this[0]).is('form')) {
                    return this.validate().form();
                } else {
                    var valid = true;
                    var validator = $(this[0].form).validate();
                    this.each(function() {
                        valid &= validator.element(this);
                    });
                    return valid;
                }
            },
            // attributes: space seperated list of attributes to retrieve and remove
            removeAttrs: function(attributes) {
                var result = {},
                $element = this;
                $.each(attributes.split(/\s/), function(index, value) {
                    result[value] = $element.attr(value);
                    $element.removeAttr(value);
                });
                return result;
            },
            // http://docs.jquery.com/Plugins/Validation/rules
            rules: function(command, argument) {
                var element = this[0];

                if (command) {
                    var settings = $.data(element.form, 'validator').settings;
                    var staticRules = settings.rules;
                    var existingRules = $.validator.staticRules(element);
                    switch(command) {
                        case "add":
                            $.extend(existingRules, $.validator.normalizeRule(argument));
                            staticRules[element.name] = existingRules;
                            if (argument.messages)
                                settings.messages[element.name] = $.extend( settings.messages[element.name], argument.messages );
                            break;
                        case "remove":
                            if (!argument) {
                                delete staticRules[element.name];
                                return existingRules;
                            }
                            var filtered = {};
                            $.each(argument.split(/\s/), function(index, method) {
                                filtered[method] = existingRules[method];
                                delete existingRules[method];
                            });
                            return filtered;
                    }
                }

                var data = $.validator.normalizeRules(
                    $.extend(
                    {},
                        $.validator.metadataRules(element),
                        $.validator.classRules(element),
                        $.validator.attributeRules(element),
                        $.validator.staticRules(element)
                        ), element);

                // make sure required is at front
                if (data.required) {
                    var param = data.required;
                    delete data.required;
                    data = $.extend({
                        required: param
                    }, data);
                }

                return data;
            }
        });

        // Custom selectors
        $.extend($.expr[":"], {
            // http://docs.jquery.com/Plugins/Validation/blank
            blank: function(a) {
                return !$.trim("" + a.value);
            },
            // http://docs.jquery.com/Plugins/Validation/filled
            filled: function(a) {
                return !!$.trim("" + a.value);
            },
            // http://docs.jquery.com/Plugins/Validation/unchecked
            unchecked: function(a) {
                return !a.checked;
            }
        });

        // constructor for validator
        $.validator = function( options, form ) {
            this.settings = $.extend( true, {}, $.validator.defaults, options );
            this.currentForm = form;
            this.init();
        };

        $.validator.format = function(source, params) {
            if ( arguments.length == 1 )
                return function() {
                    var args = $.makeArray(arguments);
                    args.unshift(source);
                    return $.validator.format.apply( this, args );
                };
            if ( arguments.length > 2 && params.constructor != Array  ) {
                params = $.makeArray(arguments).slice(1);
            }
            if ( params.constructor != Array ) {
                params = [ params ];
            }
            $.each(params, function(i, n) {
                source = source.replace(new RegExp("\\{" + i + "\\}", "g"), n);
            });
            return source;
        };

        $.extend($.validator, {

            defaults: {
                messages: {},
                groups: {},
                rules: {},
                errorClass: "error",
                validClass: "valid",
                errorElement: "label",
                focusInvalid: true,
                errorContainer: $( [] ),
                errorLabelContainer: $( [] ),
                onsubmit: true,
                ignore: [],
                ignoreTitle: false,
                onfocusin: function(element) {
                    this.lastActive = element;

                    // hide error label and remove error class on focus if enabled
                    if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {
                        this.settings.unhighlight && this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
                        this.addWrapper(this.errorsFor(element)).hide();
                    }
                },
                onfocusout: function(element) {
                    if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {
                        this.element(element);
                    }
                },
                onkeyup: function(element) {
                    if ( element.name in this.submitted || element == this.lastElement ) {
                        this.element(element);
                    }
                },
                onclick: function(element) {
                    // click on selects, radiobuttons and checkboxes
                    if ( element.name in this.submitted )
                        this.element(element);
                    // or option elements, check parent select in that case
                    else if (element.parentNode.name in this.submitted)
                        this.element(element.parentNode);
                },
                highlight: function(element, errorClass, validClass) {
                    if (element.type === 'radio') {
                        this.findByName(element.name).addClass(errorClass).removeClass(validClass);
                    } else {
                        $(element).addClass(errorClass).removeClass(validClass);
                    }
                },
                unhighlight: function(element, errorClass, validClass) {
                    if (element.type === 'radio') {
                        this.findByName(element.name).removeClass(errorClass).addClass(validClass);
                    } else {
                        $(element).removeClass(errorClass).addClass(validClass);
                    }
                }
            },

            // http://docs.jquery.com/Plugins/Validation/Validator/setDefaults
            setDefaults: function(settings) {
                $.extend( $.validator.defaults, settings );
            },

            messages: {
                required: "Este Campo es Requerido.",
                remote: "Please fix this field.",
                email: "Favor Introducir un EMail Valido.",
                url: "Please enter a valid URL.",
                date: "Please enter a valid date.",
                dateISO: "Please enter a valid date (ISO).",
                letters: "Este campo solo debe tener letras [a-z][A-Z].",
                number: "Favor Introducir un Numero Valido.",
                digits: "Please enter only digits.",
                creditcard: "Please enter a valid credit card number.",
                equalTo: "Please enter the same value again.",
                maxlength: $.validator.format("Por Favor ingrese maximo {0} caracteres."),
                minlength: $.validator.format("Por Favor ingrese minimo {0} caracteres."),
                rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),
                range: $.validator.format("Por favor ingrese un numero entre {0} y {1}."),
                max: $.validator.format("Por favor ingrese un numero menor que {0}."),
                min: $.validator.format("Por favor ingrese un numero mayor que {0}.")
            },

            autoCreateRanges: false,

            prototype: {

                init: function() {
                    this.labelContainer = $(this.settings.errorLabelContainer);
                    this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
                    this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );
                    this.submitted = {};
                    this.valueCache = {};
                    this.pendingRequest = 0;
                    this.pending = {};
                    this.invalid = {};
                    this.reset();

                    var groups = (this.groups = {});
                    $.each(this.settings.groups, function(key, value) {
                        $.each(value.split(/\s/), function(index, name) {
                            groups[name] = key;
                        });
                    });
                    var rules = this.settings.rules;
                    $.each(rules, function(key, value) {
                        rules[key] = $.validator.normalizeRule(value);
                    });

                    function delegate(event) {
                        var validator = $.data(this[0].form, "validator"),
                        eventType = "on" + event.type.replace(/^validate/, "");
                        validator.settings[eventType] && validator.settings[eventType].call(validator, this[0] );
                    }
                    $(this.currentForm)
                    .validateDelegate(":text, :password, :file, select, textarea", "focusin focusout keyup", delegate)
                    .validateDelegate(":radio, :checkbox, select, option", "click", delegate);

                    if (this.settings.invalidHandler)
                        $(this.currentForm).bind("invalid-form.validate", this.settings.invalidHandler);
                },

                // http://docs.jquery.com/Plugins/Validation/Validator/form
                form: function() {
                    this.checkForm();
                    $.extend(this.submitted, this.errorMap);
                    this.invalid = $.extend({}, this.errorMap);
                    if (!this.valid())
                        $(this.currentForm).triggerHandler("invalid-form", [this]);
                    this.showErrors();
                    return this.valid();
                },

                checkForm: function() {
                    this.prepareForm();
                    for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {
                        this.check( elements[i] );
                    }
                    return this.valid();
                },

                // http://docs.jquery.com/Plugins/Validation/Validator/element
                element: function( element ) {
                    element = this.clean( element );
                    this.lastElement = element;
                    this.prepareElement( element );
                    this.currentElements = $(element);
                    var result = this.check( element );
                    if ( result ) {
                        delete this.invalid[element.name];
                    } else {
                        this.invalid[element.name] = true;
                    }
                    if ( !this.numberOfInvalids() ) {
                        // Hide error containers on last error
                        this.toHide = this.toHide.add( this.containers );
                    }
                    this.showErrors();
                    return result;
                },

                // http://docs.jquery.com/Plugins/Validation/Validator/showErrors
                showErrors: function(errors) {
                    if(errors) {
                        // add items to error list and map
                        $.extend( this.errorMap, errors );
                        this.errorList = [];
                        for ( var name in errors ) {
                            this.errorList.push({
                                message: errors[name],
                                element: this.findByName(name)[0]
                            });
                        }
                        // remove items from success list
                        this.successList = $.grep( this.successList, function(element) {
                            return !(element.name in errors);
                        });
                    }
                    this.settings.showErrors
                    ? this.settings.showErrors.call( this, this.errorMap, this.errorList )
                    : this.defaultShowErrors();
                },

                // http://docs.jquery.com/Plugins/Validation/Validator/resetForm
                resetForm: function() {
                    if ( $.fn.resetForm )
                        $( this.currentForm ).resetForm();
                    this.submitted = {};
                    this.prepareForm();
                    this.hideErrors();
                    this.elements().removeClass( this.settings.errorClass );
                },

                numberOfInvalids: function() {
                    return this.objectLength(this.invalid);
                },

                objectLength: function( obj ) {
                    var count = 0;
                    for ( var i in obj )
                        count++;
                    return count;
                },

                hideErrors: function() {
                    this.addWrapper( this.toHide ).hide();
                },

                valid: function() {
                    return this.size() == 0;
                },

                size: function() {
                    return this.errorList.length;
                },

                focusInvalid: function() {
                    if( this.settings.focusInvalid ) {
                        try {
                            $(this.findLastActive() || this.errorList.length && this.errorList[0].element || [])
                            .filter(":visible")
                            .focus()
                            // manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
                            .trigger("focusin");
                        } catch(e) {
                        // ignore IE throwing errors when focusing hidden elements
                        }
                    }
                },

                findLastActive: function() {
                    var lastActive = this.lastActive;
                    return lastActive && $.grep(this.errorList, function(n) {
                        return n.element.name == lastActive.name;
                    }).length == 1 && lastActive;
                },

                elements: function() {
                    var validator = this,
                    rulesCache = {};

                    // select all valid inputs inside the form (no submit or reset buttons)
                    return $(this.currentForm)
                    .find("input, select, textarea")
                    .not(":submit, :reset, :image, [disabled]")
                    .not( this.settings.ignore )
                    .filter(function() {
                        !this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);

                        // select only the first element for each name, and only those with rules specified
                        if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )
                            return false;

                        rulesCache[this.name] = true;
                        return true;
                    });
                },

                clean: function( selector ) {
                    return $( selector )[0];
                },

                errors: function() {
                    return $( this.settings.errorElement + "." + this.settings.errorClass, this.errorContext );
                },

                reset: function() {
                    this.successList = [];
                    this.errorList = [];
                    this.errorMap = {};
                    this.toShow = $([]);
                    this.toHide = $([]);
                    this.currentElements = $([]);
                },

                prepareForm: function() {
                    this.reset();
                    this.toHide = this.errors().add( this.containers );
                },

                prepareElement: function( element ) {
                    this.reset();
                    this.toHide = this.errorsFor(element);
                },

                check: function( element ) {
                    element = this.clean( element );

                    // if radio/checkbox, validate first element in group instead
                    if (this.checkable(element)) {
                        element = this.findByName( element.name ).not(this.settings.ignore)[0];
                    }

                    var rules = $(element).rules();
                    var dependencyMismatch = false;
                    for (var method in rules ) {
                        var rule = {
                            method: method, 
                            parameters: rules[method]
                        };
                        try {
                            var result = $.validator.methods[method].call( this, element.value.replace(/\r/g, ""), element, rule.parameters );

                            // if a method indicates that the field is optional and therefore valid,
                            // don't mark it as valid when there are no other rules
                            if ( result == "dependency-mismatch" ) {
                                dependencyMismatch = true;
                                continue;
                            }
                            dependencyMismatch = false;

                            if ( result == "pending" ) {
                                this.toHide = this.toHide.not( this.errorsFor(element) );
                                return;
                            }

                            if( !result ) {
                                this.formatAndAdd( element, rule );
                                return false;
                            }
                        } catch(e) {
                            this.settings.debug && window.console && console.log("exception occured when checking element " + element.id
                                + ", check the '" + rule.method + "' method", e);
                            throw e;
                        }
                    }
                    if (dependencyMismatch)
                        return;
                    if ( this.objectLength(rules) )
                        this.successList.push(element);
                    return true;
                },

                // return the custom message for the given element and validation method
                // specified in the element's "messages" metadata
                customMetaMessage: function(element, method) {
                    if (!$.metadata)
                        return;

                    var meta = this.settings.meta
                    ? $(element).metadata()[this.settings.meta]
                    : $(element).metadata();

                    return meta && meta.messages && meta.messages[method];
                },

                // return the custom message for the given element name and validation method
                customMessage: function( name, method ) {
                    var m = this.settings.messages[name];
                    return m && (m.constructor == String
                        ? m
                        : m[method]);
                },

                // return the first defined argument, allowing empty strings
                findDefined: function() {
                    for(var i = 0; i < arguments.length; i++) {
                        if (arguments[i] !== undefined)
                            return arguments[i];
                    }
                    return undefined;
                },

                defaultMessage: function( element, method) {
                    return this.findDefined(
                        this.customMessage( element.name, method ),
                        this.customMetaMessage( element, method ),
                        // title is never undefined, so handle empty string as undefined
                        !this.settings.ignoreTitle && element.title || undefined,
                        $.validator.messages[method],
                        "<strong>Warning: No message defined for " + element.name + "</strong>"
                        );
                },

                formatAndAdd: function( element, rule ) {
                    var message = this.defaultMessage( element, rule.method ),
                    theregex = /\$?\{(\d+)\}/g;
                    if ( typeof message == "function" ) {
                        message = message.call(this, rule.parameters, element);
                    } else if (theregex.test(message)) {
                        message = jQuery.format(message.replace(theregex, '{$1}'), rule.parameters);
                    }
                    this.errorList.push({
                        message: message,
                        element: element
                    });

                    this.errorMap[element.name] = message;
                    this.submitted[element.name] = message;
                },

                addWrapper: function(toToggle) {
                    if ( this.settings.wrapper )
                        toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
                    return toToggle;
                },

                defaultShowErrors: function() {
                    for ( var i = 0; this.errorList[i]; i++ ) {
                        var error = this.errorList[i];
                        this.settings.highlight && this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
                        this.showLabel( error.element, error.message );
                    }                    
                    errors = this.errorList.length;
                    if( this.errorList.length ) {
                        this.toShow = this.toShow.add( this.containers );
                    }
                    if (this.settings.success) {
                        for ( var i = 0; this.successList[i]; i++ ) {
                            this.showLabel( this.successList[i] );
                        }
                    }
                    if (this.settings.unhighlight) {
                        for ( var i = 0, elements = this.validElements(); elements[i]; i++ ) {
                            this.settings.unhighlight.call( this, elements[i], this.settings.errorClass, this.settings.validClass );
                        }
                    }
                    this.toHide = this.toHide.not( this.toShow );
                    this.hideErrors();
                    this.addWrapper( this.toShow ).show();
                },

                validElements: function() {
                    return this.currentElements.not(this.invalidElements());
                },

                invalidElements: function() {
                    return $(this.errorList).map(function() {
                        return this.element;
                    });
                },

                showLabel: function(element, message) {
                    var label = this.errorsFor( element );
                    if ( label.length ) {
                        // refresh error/success class
                        label.removeClass().addClass( this.settings.errorClass );

                        // check if we have a generated label, replace the message then
                        label.attr("generated") && label.html(message);
                    } else {
                        // create label
                        label = $("<" + this.settings.errorElement + "/>")
                        .attr({
                            "for":  this.idOrName(element), 
                            generated: true
                        })
                        .addClass(this.settings.errorClass)
                        .html(message || "");
                        if ( this.settings.wrapper ) {
                            // make sure the element is visible, even in IE
                            // actually showing the wrapped element is handled elsewhere
                            label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
                        }
                        if ( !this.labelContainer.append(label).length )
                            this.settings.errorPlacement
                            ? this.settings.errorPlacement(label, $(element) )
                            : label.insertAfter(element);
                    }
                    if ( !message && this.settings.success ) {
                        label.text("");
                        typeof this.settings.success == "string"
                        ? label.addClass( this.settings.success )
                        : this.settings.success( label );
                    }
                    this.toShow = this.toShow.add(label);
                },

                errorsFor: function(element) {
                    var name = this.idOrName(element);
                    return this.errors().filter(function() {
                        return $(this).attr('for') == name;
                    });
                },

                idOrName: function(element) {
                    return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);
                },

                checkable: function( element ) {
                    return /radio|checkbox/i.test(element.type);
                },

                findByName: function( name ) {
                    // select by name and filter by form for performance over form.find("[name=...]")
                    var form = this.currentForm;
                    return $(document.getElementsByName(name)).map(function(index, element) {
                        return element.form == form && element.name == name && element  || null;
                    });
                },

                getLength: function(value, element) {
                    switch( element.nodeName.toLowerCase() ) {
                        case 'select':
                            return $("option:selected", element).length;
                        case 'input':
                            if( this.checkable( element) )
                                return this.findByName(element.name).filter(':checked').length;
                    }
                    return value.length;
                },

                depend: function(param, element) {
                    return this.dependTypes[typeof param]
                    ? this.dependTypes[typeof param](param, element)
                    : true;
                },

                dependTypes: {
                    "boolean": function(param, element) {
                        return param;
                    },
                    "string": function(param, element) {
                        return !!$(param, element.form).length;
                    },
                    "function": function(param, element) {
                        return param(element);
                    }
                },

                optional: function(element) {
                    return !$.validator.methods.required.call(this, $.trim(element.value), element) && "dependency-mismatch";
                },

                startRequest: function(element) {
                    if (!this.pending[element.name]) {
                        this.pendingRequest++;
                        this.pending[element.name] = true;
                    }
                },

                stopRequest: function(element, valid) {
                    this.pendingRequest--;
                    // sometimes synchronization fails, make sure pendingRequest is never < 0
                    if (this.pendingRequest < 0)
                        this.pendingRequest = 0;
                    delete this.pending[element.name];
                    if ( valid && this.pendingRequest == 0 && this.formSubmitted && this.form() ) {
                        $(this.currentForm).submit();
                        this.formSubmitted = false;
                    } else if (!valid && this.pendingRequest == 0 && this.formSubmitted) {
                        $(this.currentForm).triggerHandler("invalid-form", [this]);
                        this.formSubmitted = false;
                    }
                },

                previousValue: function(element) {
                    return $.data(element, "previousValue") || $.data(element, "previousValue", {
                        old: null,
                        valid: true,
                        message: this.defaultMessage( element, "remote" )
                    });
                }

            },

            classRuleSettings: {
                required: {
                    required: true
                },
                email: {
                    email: true
                },
                url: {
                    url: true
                },
                dateISO: {
                    dateISO: true
                },
                letters: {
                    letters: true
                },
                dateDE: {
                    dateDE: true
                },
                number: {
                    number: true
                },
                numberDE: {
                    numberDE: true
                },
                digits: {
                    digits: true
                },
                creditcard: {
                    creditcard: true
                }
            },

            addClassRules: function(className, rules) {
                className.constructor == String ?
                this.classRuleSettings[className] = rules :
                $.extend(this.classRuleSettings, className);
            },

            classRules: function(element) {
                var rules = {};
                var classes = $(element).attr('class');
                classes && $.each(classes.split(' '), function() {
                    if (this in $.validator.classRuleSettings) {
                        $.extend(rules, $.validator.classRuleSettings[this]);
                    }
                });
                return rules;
            },

            attributeRules: function(element) {
                var rules = {};
                var $element = $(element);

                for (var method in $.validator.methods) {
                    var value = $element.attr(method);
                    if (value) {
                        rules[method] = value;
                    }
                }

                // maxlength may be returned as -1, 2147483647 (IE) and 524288 (safari) for text inputs
                if (rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength)) {
                    delete rules.maxlength;
                }

                return rules;
            },

            metadataRules: function(element) {
                if (!$.metadata) return {};

                var meta = $.data(element.form, 'validator').settings.meta;
                return meta ?
                $(element).metadata()[meta] :
                $(element).metadata();
            },

            staticRules: function(element) {
                var rules = {};
                var validator = $.data(element.form, 'validator');
                if (validator.settings.rules) {
                    rules = $.validator.normalizeRule(validator.settings.rules[element.name]) || {};
                }
                return rules;
            },

            normalizeRules: function(rules, element) {
                // handle dependency check
                $.each(rules, function(prop, val) {
                    // ignore rule when param is explicitly false, eg. required:false
                    if (val === false) {
                        delete rules[prop];
                        return;
                    }
                    if (val.param || val.depends) {
                        var keepRule = true;
                        switch (typeof val.depends) {
                            case "string":
                                keepRule = !!$(val.depends, element.form).length;
                                break;
                            case "function":
                                keepRule = val.depends.call(element, element);
                                break;
                        }
                        if (keepRule) {
                            rules[prop] = val.param !== undefined ? val.param : true;
                        } else {
                            delete rules[prop];
                        }
                    }
                });

                // evaluate parameters
                $.each(rules, function(rule, parameter) {
                    rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;
                });

                // clean number parameters
                $.each(['minlength', 'maxlength', 'min', 'max'], function() {
                    if (rules[this]) {
                        rules[this] = Number(rules[this]);
                    }
                });
                $.each(['rangelength', 'range'], function() {
                    if (rules[this]) {
                        rules[this] = [Number(rules[this][0]), Number(rules[this][1])];
                    }
                });

                if ($.validator.autoCreateRanges) {
                    // auto-create ranges
                    if (rules.min && rules.max) {
                        rules.range = [rules.min, rules.max];
                        delete rules.min;
                        delete rules.max;
                    }
                    if (rules.minlength && rules.maxlength) {
                        rules.rangelength = [rules.minlength, rules.maxlength];
                        delete rules.minlength;
                        delete rules.maxlength;
                    }
                }

                // To support custom messages in metadata ignore rule methods titled "messages"
                if (rules.messages) {
                    delete rules.messages;
                }

                return rules;
            },

            // Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
            normalizeRule: function(data) {
                if( typeof data == "string" ) {
                    var transformed = {};
                    $.each(data.split(/\s/), function() {
                        transformed[this] = true;
                    });
                    data = transformed;
                }
                return data;
            },

            // http://docs.jquery.com/Plugins/Validation/Validator/addMethod
            addMethod: function(name, method, message) {
                $.validator.methods[name] = method;
                $.validator.messages[name] = message != undefined ? message : $.validator.messages[name];
                if (method.length < 3) {
                    $.validator.addClassRules(name, $.validator.normalizeRule(name));
                }
            },

            methods: {

                // http://docs.jquery.com/Plugins/Validation/Methods/required
                required: function(value, element, param) {
                    // check if dependency is met
                    if ( !this.depend(param, element) )
                        return "dependency-mismatch";
                    switch( element.nodeName.toLowerCase() ) {
                        case 'select':
                            // could be an array for select-multiple or a string, both are fine this way
                            var val = $(element).val();
                            return val && val.length > 0;
                        case 'input':
                            if ( this.checkable(element) )
                                return this.getLength(value, element) > 0;
                        default:
                            return $.trim(value).length > 0;
                    }
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/remote
                remote: function(value, element, param) {
                    if ( this.optional(element) )
                        return "dependency-mismatch";

                    var previous = this.previousValue(element);
                    if (!this.settings.messages[element.name] )
                        this.settings.messages[element.name] = {};
                    previous.originalMessage = this.settings.messages[element.name].remote;
                    this.settings.messages[element.name].remote = previous.message;

                    param = typeof param == "string" && {
                        url:param
                    } || param;

                    if ( this.pending[element.name] ) {
                        return "pending";
                    }
                    if ( previous.old === value ) {
                        return previous.valid;
                    }

                    previous.old = value;
                    var validator = this;
                    this.startRequest(element);
                    var data = {};
                    data[element.name] = value;
                    $.ajax($.extend(true, {
                        url: param,
                        mode: "abort",
                        port: "validate" + element.name,
                        dataType: "json",
                        data: data,
                        success: function(response) {
                            validator.settings.messages[element.name].remote = previous.originalMessage;
                            var valid = response === true;
                            if ( valid ) {
                                var submitted = validator.formSubmitted;
                                validator.prepareElement(element);
                                validator.formSubmitted = submitted;
                                validator.successList.push(element);
                                validator.showErrors();
                            } else {
                                var errors = {};
                                var message = response || validator.defaultMessage( element, "remote" );
                                errors[element.name] = previous.message = $.isFunction(message) ? message(value) : message;
                                validator.showErrors(errors);
                            }
                            previous.valid = valid;
                            validator.stopRequest(element, valid);
                        }
                    }, param));
                    return "pending";
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/minlength
                minlength: function(value, element, param) {
                    return this.optional(element) || this.getLength($.trim(value), element) >= param;
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/maxlength
                maxlength: function(value, element, param) {
                    return this.optional(element) || this.getLength($.trim(value), element) <= param;
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/rangelength
                rangelength: function(value, element, param) {
                    var length = this.getLength($.trim(value), element);
                    return this.optional(element) || ( length >= param[0] && length <= param[1] );
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/min
                min: function( value, element, param ) {
                    return this.optional(element) || value >= param;
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/max
                max: function( value, element, param ) {
                    return this.optional(element) || value <= param;
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/range
                range: function( value, element, param ) {
                    return this.optional(element) || ( value >= param[0] && value <= param[1] );
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/email
                email: function(value, element) {
                    // contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
                    return this.optional(element) || /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i.test(value);
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/url
                url: function(value, element) {
                    // contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/
                    return this.optional(element) || /^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);
                },
                
                // http://docs.jquery.com/Plugins/Validation/Methods/date
		/*date: function(value, element) {
			return this.optional(element) || !/Invalid|NaN/.test(new Date(value));
		},*/

                // http://docs.jquery.com/Plugins/Validation/Methods/dateISO
                dateISO: function(value, element) {
                    return this.optional(element) || /^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(value);
                },
                
                letters: function(value, element) {
                    return this.optional(element) || /^[a-zA-Z ]+$/.test(value);
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/number
                number: function(value, element) {
                    return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(value);
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/digits
                digits: function(value, element) {
                    return this.optional(element) || /^\d+$/.test(value);
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/creditcard
                // based on http://en.wikipedia.org/wiki/Luhn
                creditcard: function(value, element) {
                    if ( this.optional(element) )
                        return "dependency-mismatch";
                    // accept only digits and dashes
                    if (/[^0-9-]+/.test(value))
                        return false;
                    var nCheck = 0,
                    nDigit = 0,
                    bEven = false;

                    value = value.replace(/\D/g, "");

                    for (var n = value.length - 1; n >= 0; n--) {
                        var cDigit = value.charAt(n);
                        var nDigit = parseInt(cDigit, 10);
                        if (bEven) {
                            if ((nDigit *= 2) > 9)
                                nDigit -= 9;
                        }
                        nCheck += nDigit;
                        bEven = !bEven;
                    }

                    return (nCheck % 10) == 0;
                },

                // http://docs.jquery.com/Plugins/Validation/Methods/equalTo
                equalTo: function(value, element, param) {
                    // bind to the blur event of the target in order to revalidate whenever the target field is updated
                    var target = $(param).unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {
                        $(element).valid();
                    });
                    return value == target.val();
                }

            }

        });

        // deprecated, use $.validator.format instead
        $.format = $.validator.format;

    })(jQuery);

    // ajax mode: abort
    // usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
    // if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort()
    (function($) {
        var pendingRequests = {};
        // Use a prefilter if available (1.5+)
        if ( $.ajaxPrefilter ) {
            $.ajaxPrefilter(function(settings, _, xhr) {
                var port = settings.port;
                if (settings.mode == "abort") {
                    if ( pendingRequests[port] ) {
                        pendingRequests[port].abort();
                    }
                    pendingRequests[port] = xhr;
                }
            });
        } else {
            // Proxy ajax
            var ajax = $.ajax;
            $.ajax = function(settings) {
                var mode = ( "mode" in settings ? settings : $.ajaxSettings ).mode,
                port = ( "port" in settings ? settings : $.ajaxSettings ).port;
                if (mode == "abort") {
                    if ( pendingRequests[port] ) {
                        pendingRequests[port].abort();
                    }
                    return (pendingRequests[port] = ajax.apply(this, arguments));
                }
                return ajax.apply(this, arguments);
            };
        }
    })(jQuery);

    // provides cross-browser focusin and focusout events
    // IE has native support, in other browsers, use event caputuring (neither bubbles)

    // provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
    // handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target
    (function($) {
        // only implement if not provided by jQuery core (since 1.4)
        if (!jQuery.event.special.focusin && !jQuery.event.special.focusout && document.addEventListener) {
            $.each({
                focus: 'focusin',
                blur: 'focusout'
            }, function( original, fix ){
                $.event.special[fix] = {
                    setup:function() {
                        this.addEventListener( original, handler, true );
                    },
                    teardown:function() {
                        this.removeEventListener( original, handler, true );
                    },
                    handler: function(e) {
                        arguments[0] = $.event.fix(e);
                        arguments[0].type = fix;
                        return $.event.handle.apply(this, arguments);
                    }
                };
                function handler(e) {
                    e = $.event.fix(e);
                    e.type = fix;
                    return $.event.handle.call(this, e);
                }
            });
        }
        $.extend($.fn, {
            validateDelegate: function(delegate, type, handler) {
                return this.bind(type, function(event) {
                    var target = $(event.target);
                    if (target.is(delegate)) {
                        return handler.apply(target, arguments);
                    }
                });
            }
        });
    })(jQuery);
    
    return jQuery;
});